45
reverse osmosis water filter
Skip itWeak search conversion (0.7%) — this niche doesn't clear our bar today.
Competition
Good41%top-5 click share — leaders hold, buyers still browse
Quality gap
Good4.3★avg incumbent rating — lower means beatable quality
Market size
Good£314K£314K/yr · 244K searches
Review moat
Good1,466.26avg incumbent reviews — the moat a new listing must climb
Avg price
Okay£192.47avg listing price — sweet spot $15–$100
Returns
Okay3.3%return rate — above 5% kills the launch gate
Brand share
Okay80%top-5 brand share — brands hold most of the demand
Growth
Bad-2.4%90-day search growth — must beat 0% to launch
Price range
Bad£37.08–£520.43cheapest to priciest tracked listing — scored on the share inside $15–$100
Conversion
Bad0.7%search→purchase rate — share of searches ending in a sale
Signals High Price